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(Model) J. B. SHAW & H. F. PUMPHREY. METALLIC LOGK GLIP FOR JOINING ELEGTRIO WIRES.

No. 249,684. Patented Nov. 15,1881.

W2 572455 65 mg M NITED STATES PATENT OFFICE.

JOHN B. SHAW, OF CHICAGO, ILLINOIS, AND HENRY F. PUMPHREY, OF FAIR- FIELD, IOWA, ASSIGNORS OF ONE-FIFTH TO JOHN H. AGHESON, OF FAIR- FIELD, IOWA.

METALLIC LOCK-CLIP FOR JOINING ELECTRIC WIRES.

SPECIFICATION forming part of Letters Patent No. 249,684, dated November 15, 1881,

I Application filed J nne 1Q, 1881. (Model) I -others with our consent or knowledge.

The object of our invention is to furnish a' two-part wedgeshaped metallic lock-clip for joining telegraph or telephone line wire, described as follows:

No. 1 shows the metallic lock-clip as it appears in use on the wire. No.2 shows the two halves of the metallic lock-clip, with wires in position for locking. No. 3 shows the two halves of the metallic look-clip separate. No. 4 shows the shape the wires are to have either before or after insertion in the metallic lockclip.

struction of a wedge-shaped metallic lock-clip of any metal which is a good electrical conductor. It is cast in two halves, as shown in Fig. 3, with ring .on'the large end of each half, A A, and grooves on the inside of each half, B B. terminating in a niche in the large end of each half, (J O. The small end of each half, D I), is to be inserted in the rings A A, and the wires to be inserted at opposite ends of the clip and turned downin the niche O C, as shown in No. 4.

\Ve claim- The adjustable metallic lock-clip wedgeshaped in two parts, with rings A A on big end of each half, and grooves B B on the inside of each half, terminatingin niche O O at big end or back part of rings A A.

JOHN B. SHAW. HENRY F. PUMPHREY.

Witnesses:

A. MILLER, C. LAWRENCE.

The inventioualleged consists in the con- 25 

